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contour with logarithmic axis [message #25415]

Fri, 08 June 2001 08:13

Hilmar GUDMUNDSSON GL is currently offline

Hilmar GUDMUNDSSON GL
Messages: 2
Registered: June 2001

Junior Member

I'm having problems with contour using a logarithmic x axis. When
I contour the data using

CONTOUR, matrix, x,y, xrange = [xmin, xmax], yrange = [ymin,
ymax], $
xtitle = x_t, ytitle = y_t, max_value = 1000., level = levels,
xtype=1

the contour lines only appear on a part of the plot. Depending on the
exact values of xmin and xmax, the fraction of the plotting area that is
contoured changes in an erratic fashion. I can used alog10(matrix) and
alog10(x), which produces a plot which is OK but I would rather like to
stick to having the x axis logarithmic if possible.

Has someone else run into this problem? Any solutions?

hilmar

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contour with logarithmic axis

By: Hilmar GUDMUNDSSON GL on Fri, 08 June 2001 08:13

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